Update api.mdx

Author: afontcu

docs/vue-testing-library/api.mdx

@@ -61,7 +61,7 @@ The valid Vue Component to be tested.
 #### Options
 
 An object containing additional information to be passed to `@vue/test-utils`
-[mount](https://vue-test-utils.vuejs.org/api/options.html#context).
+[mount](https://vue-test-utils.vuejs.org/api/options.html#mounting-options).
 
 Additionally, the options object can also include the following three keys: